Ejabberd has supported STUN/TURN for quite some time now, this in conjunction with client support can be used to implement one on one audio and video calls. Since version 2.8.0 Conversations Android client added audio and video call functionality by leveraging on STUN/TURN and XEP-0215. The rest of the XMPP world is following the route opened by them, so I expect to see IOS and regular computer XMPP clients to finally implement these new features too in the upcoming months. …

Zabbix should theoretically be able out of the box to send alerts via XMPP. For some reason this functionality does not work as intended, luckily it is possible to specify a custom script to send alerts; combining the aforementioned script with the Perl library sendxmpp is the easiest way to enable Zabbix from sending notifications via XMPP. $ yum install sendxmpp Create a bash script, this will be invoked by Zabbix to send notifications: …

I will be keeping this post up to date to keep track on how to configure and mantain an ejabberd server working efficiently and secure. I strongly advise any reader to read carefully what is written here and not just copy-and-paste the configuration file. My blog also contains a bunch of other posts regarding ejabberd that are worth giving a look at, use the search form. Server CentOS 7.5.1804 x86_64 Erlang/OTP 21. …

Being the tinfoil hat I am I obviously don’t like nor use whatsapp, some time ago I set up my own XMPP server and made a bunch of close friends switch to it. There are multiple clients for every platform, my personal preference goes to Xabber on Android and Pidgin on GNU/Linux; both support OTR encryption and all around are pretty decent clients. The only real issue we had so far is the very annoying problem of lost messages; if the internet connection is stable and decent the problem will very likely never come up, too bad that mobile phone internet connection is everything but stable. …